Search results

...d Disk dM Stars: Magnetic Activity, Light Variations, XUV Irradiances, and Planetary Habitable Zones | year=2005 | month=May == Claims of a planetary system == ...

The '''[[Planetary ring|rings]] of [[Neptune]]''' were discovered in 1989 by the ''[[Voyager 2 ...eptune and less than 100&nbsp;km wide,<ref name="Miner2007b" /> which some planetary scientists call the ''Arago ring'' after [[François Arago]], a French mathe ...

...ite web|title=Oberon: Mommur|publisher=USGS Astrogeology|work=Gazetteer of Planetary Nomenclature|url=http://planetarynames.wr.usgs.gov/jsp/FeatureNameDetail.js ...ry Sciences Institute, Hoston|journal=Abstracts of the Lunar and Planetary Science Conference|volume=21|pages=489–490|url=http://adsabs.harvard.edu/abs/1990LP ...

...1734/> Originally applied only to our own [[Solar System]], this method of planetary system formation is now thought to be at work throughout the [[universe]].< ...in certain circumstances, which are not well known. Thus the formation of planetary systems is thought to be a natural result of star formation. A sun-like sta ...

The planet [[Jupiter]] has a system of [[planetary ring|ring]]s, known as the '''rings of Jupiter''' or the '''Jovian ring sys ...e journal |last=Esposito |first=L. W. |authorlink=Larry W. Esposito |title=Planetary rings |journal=Reports On Progress In Physics |year=2002 |volume=65 |pages= ...

...ileo]]'' spacecraft revealed that Callisto may have a small [[silicate]] [[Planetary core|core]] and possibly a subsurface ocean of liquid water at depths great ...nup2002/> Its slowness and the lack of [[tidal]] heating prevented rapid [[planetary differentiation|differentiation]]. The slow [[convection]] in the interior ...

...s, given its stability and similarity to the Sun, and it appears in some [[science fiction]] literature. | publisher=Space Telescope Science Institute ...

...rbit_radius = 1&nbsp;070&nbsp;400&nbsp;km<ref name=orbit>{{cite web|title=Planetary Satellite Mean Orbital Parameters|publisher=Jet Propulsion Laboratory, Cali ...name=jplfact>{{cite web|last=Yeomans|first=Donald K.|date=2006-07-13|title=Planetary Satellite Physical Parameters|publisher=JPL Solar System Dynamics|url=http: ...

...rly stages of the Solar System's formation or slightly later, during the [[planetary migration|migration]] of giant planets.<ref name=Jewitt2004/> ...2006-07-28|title=A thick cloud of Neptune Trojans and their colors|journal=Science|location=New York|volume=313|issue=5786|pages=511&ndash;514|issn=0036-8075| ...

...iplines including [[astronomy]], [[physics]], [[geology]], and [[planetary science]]. Since the dawn of the [[space age]] in the 1950s and the discovery of [[ ...often shifted, and planets have switched places.<ref name="Gomes"/> This [[planetary migration]] now is believed to have been responsible for much of the Solar ...

...rticle is about the Sun and its planetary system. For other systems, see [[Planetary system]] and [[Star system]]. For a list of the physical attributes of the ...moons" after Earth's [[Moon]]. Each of the outer planets is encircled by [[planetary ring]]s of dust and other particles. ...

...''i'' is the angle between the orbit normal and the line of sight. If the planetary orbits are close to face-on as observed from Earth, more massive planets co | journal=Science | year=1995 ...

| title=The Daguerreotype: Nineteenth-Century Technology and Modern Science | title=Night Has a Thousand Eyes: A Naked-Eye Guide to the Sky, Its Science, and Lore ...

...J2000]] epoch. Barycentre quantities are given because, in contrast to the planetary centre, they do not experience appreciable changes on a day-to-day basis fr | url = http://nssdc.gsfc.nasa.gov/planetary/factsheet/neptunefact.html ...

...-11:42:58-->|title=Dwarf Planets and their Systems|work= Working Group for Planetary System Nomenclature (WGPSN)|url=http://planetarynames.wr.usgs.gov/append7.h ...05|title=Orbit Fit and Astrometric record for 136472|publisher=SwRI (Space Science Department)|url=http://www.boulder.swri.edu/~buie/kbo/astrom/136472.html|ac ...

...will build up at its center. After shedding its outer layers to form a [[planetary nebula]], it will leave behind this core, which forms the remnant white dwa ...40...79H X-ray emission from isolated hot white dwarfs], J. Heise, ''Space Science Reviews'' '''40''' (February 1985), pp. 79&ndash;90.</ref> ...

| author=Staff | title =White Dwarfs & Planetary Nebulas | journal=Science | year=2000 | volume=289 ...

=== Direct planetary observation === ...nd its distance from its sun), allows only for rough approximations of the planetary environment. ...

| work=Gazetteer of Planetary Nomenclature | journal=Science | year=1988 | volume=241 ...

|publisher=Science @ guardian.co.uk ...http://www.guardian.co.uk/science/2008/jun/26/mars.asteroid?gusrc=rss&feed=science ...